1. constituting the order Marattiales: chiefly tropical eusporangiate ferns with gigantic fronds; [syn: Marattiaceae, family Marattiaceae]
WordNet (r) 3.0 (2006):
family Marattiaceae
n 1: constituting the order Marattiales: chiefly tropical
eusporangiate ferns with gigantic fronds [syn:
Marattiaceae, family Marattiaceae]